The System.Windows.Forms.DateTimePicker control displays the date/time value in the long date format set by the user's operating system.
Syntax
DateTimePickerFormat Long
Requirements
Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0